EARTH SCIENCE > LAND SURFACE > EROSION/SEDIMENTATION > SEDIMENTS
Unconsolidated particles created by the weathering and erosion of rock, by chemical precipitation from solution in water, or from the secretions of organisms, and transported by water, wind, or glaciers.
Lutgens, Frederick K., Edward J. Tarbuck. Essentials of Geology, 5th Edition. Prentice-Hall, Inc.: Englewood Cliffs, NJ, 1995.